KKT KPC 212-L-U/S - User Manual

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Operating Instruction

Healthcare chiller of the KSC Series

Version „Revision 09“

Type KSC 215-L-U/S

page 1von138

\\FILER02\Allgemein\02 - Technische Unterlagen KKT\Originale\830xxx Bedienungsanleitungen\KSC\83002302.Ka KKT chillers_KSC215-US.doc

Manufacturer

ait-deutschland GmbH T +49 9228 9977 0

Industriestraße 3 F +49 9228 9977 149

95359 Kasendorf E info@kkt-chillers.com

Germany W www.kkt-chillers.com

Representative in the US and Service Center

KKT chillers, Inc. T 847 734 1600

1280 Landmeier Road F 847 734 1601

Elk Grove Village, IL 60007 TF 866 517 6867

USA E support@kkt-chillersusa.com

YOUR LOCAL SERVICE CONTRACTOR IS:

COMPANY NAME:

PHONE NUMBER: FAX NUMBER:

Table of Contents

Other manuals for KKT KPC 212-L-U/S

Questions and Answers

G
gary04Aug 12, 2025
Why KKT Chiller doesn't have enough refrigeration power?
- K
  Kaitlin MurphyAug 12, 2025
  Insufficient refrigeration power in your KKT Chiller can stem from several causes: air in the water circuit, a water agitation quantity that has fallen below the minimum, inadequate fresh air supply to the condenser, or insufficient refrigerant in the circuit. To resolve this, vent the system, ensure the water pipe cross-section is correctly designed (potentially opening the check valve fully or increasing the pipe cross-section), ensure sufficient fresh air supply and removal (eliminating any short-circuit between fresh and exhaust air), and locate and seal any leaks before refilling the refrigerant circuit.
C
Christopher AndersonAug 15, 2025
What to do if KKT Chiller refrigerating machine starts and stops short-termed?
- J
  Jeffrey LeeAug 16, 2025
  If your KKT Chiller's refrigerating machine starts and stops frequently, it may be due to insufficient fresh air supply for the condenser, causing the high-pressure pressostat to protect against overload. Another cause could be low pressure in the refrigerant circuit due to refrigerant leaks, which causes the pressure switch to shut down the compressor. Ensure adequate fresh air supply and eliminate any short-circuits between fresh air and exhaust air. Also, find and seal any refrigerant leaks before refilling the circuit.
C
Cassie MaddoxAug 19, 2025
What causes still malfunction of refrigerating machine KKT?
- A
  Andrew WallsAug 20, 2025
  A persistent malfunction in your KKT refrigerating machine could be due to low pressure in the refrigerant circuit, possibly from a refrigerant leak, a dirty dryer in the liquid pipe, a defective pressure relief valve, or issues with the expansion valve. High pressure in the refrigerant circuit, caused by a dirty condenser, a defective fan, high outside temperature, a faulty pressure sensor for condenser control, or a defective frequency inverter, can also be the reason. Locate and seal any leaks, then refill the circuit. Replace the dryer, pressure relief valve, or expansion valve as needed. Clean the condenser, correct any electrical issues, check the fuses, spray the condenser with water, and replace the pressostat or frequency inverter if necessary.
T
Tyler WeaverAug 23, 2025
What to do if there is a malfunction of plant/system KKT KPC 212-L-U/S Chiller?
- R
  Robert MckayAug 23, 2025
  A malfunction in the KKT Chiller plant/system could stem from several causes: power failure asymmetry, over or low voltage, a defective temperature sensor, malfunctions in the Simatic modules, or the chiller simply indicating a 'not ok' status. Check the mains connection and asymmetry relay, inspect the sensor clamp and measure resistance, check the MMC-Card, the 24VDC power supply and fuses, check the fuse, data transfer cable, and overvoltage protection.
C
Carol GreenAug 27, 2025
Why do compressors 18M1 and 21M1 stop in KKT KPC 212-L-U/S?
- E
  Edward BrownAug 27, 2025
  The compressors 18M1 and 21M1 in your KKT Chiller might stop because the Klixon/INT69 has tripped or is defective. Check the fuses. Allow the compressor to cool down, and consider cleaning the condenser or improving fresh air supply. If necessary, replace the Klixon/INT69.
M
Michael GallagherAug 30, 2025
What causes malfunction of pump 17M1 in KKT Chiller?
- J
  Joseph MccoyAug 31, 2025
  A malfunction of pump 17M1 in your KKT Chiller may occur due to several reasons: the main switch not being switched on, a defective motor protector, a blown fuse for the control current, a defective pump motor, the flow switch responding, or a shortage of water. Switch on the main switch. Replace the motor protector. Replace the fuse. Replace the complete pump. Check the water flow and system pressure, and clean the strainer.
R
rebecca55Sep 3, 2025
Why KKT KPC 212-L-U/S pump makes gurgling noise?
- M
  Mason WagnerSep 3, 2025
  If the KKT Chiller pump is making a gurgling noise, it is likely that the circuit is not completely vented. Vent the system and fill it up with water/Ethylene glycol.
T
Trevor GonzalesSep 7, 2025
What to do if KKT Chiller has leaking slide seal?
- D
  Donald ShawSep 7, 2025
  If there is a puddle at the bottom of the KKT Chiller pump due to a leaking slide seal, it could be caused by air on top of the pump or dirt in the water circuit. Check the air vent on top of the pump and change the pump if necessary. Flush and clean the water circuit, then refill it with a new 35-38vol% water ethylene glycol mixture.

Summary

General Remarks and Safety Warnings

Maintenance Guidelines

Details on regular maintenance procedures for the chiller unit.

Warranty Terms and Conditions

Conditions and terms for the unit's warranty coverage.

Safety Warnings for Chiller Operation

Brief Operating Instructions

Installation, Maintenance, and Repair

Technical Specifications

Chiller Data Sheet

Trouble Shooting

Typical Failures and Solutions

Common issues, their causes, and recommended solutions.

Automatic Restart Explanations

Details on chiller behavior after power interruptions.

Preventive Maintenance Schedule

Weekly Check Procedures

Semi-Annual Maintenance Tasks

Description of Individual Parts

Evaporator Details

Compressor Information

Detailed technical information and handling instructions for the compressor.

Condenser and Fans

Frequency Inverter Operation

Control System Components

Safety Notes and Precautions

Refrigerant Safety Information

Safety regarding refrigerants, including dangers and first-aid measures.

Machine Oil Safety Instructions

Safety instructions and measures for handling machine oil.

KKT KPC 212-L-U/S Specifications

General

Brand	KKT
Model	KPC 212-L-U/S
Category	Chiller
Language	English

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